Dr. Bandy X. Lee did so after Trump called for people to report threats in the wake of the Florida school shooting.

"We have an analogous situation with a dangerous leader who has access to far more lethal weapons than an AR-15," Lee wrote in an op-ed for the New York Daily News Monday. "Following the President’s words, I am reporting again to authorities, both as a citizen and a mental health professional, and making a record here."

Lee spoke with a group of Democratic lawmakers and one GOP senator in December about Trump’s mental state. She has not examined Trump, but has repeatedly questioned his mental states.

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In the new op-ed, she listed reported instances of Trump invoking violence in his remarks, including his “grab them by the p----” quotation from the “Access Hollywood” tape and his statement that he “could stand in the middle of Fifth Avenue and shoot somebody, and [he] wouldn’t lose voters.”

“These are clear statements and acts of verbal aggression, sexual aggression, incitement to violence, endorsement of violence, encouragement of assassination, promotion of violent imagery, and actual threats and taunting of a hostile nation with nuclear power,” she wrote.

“Considering Mr. Trump as one of the authorities, I am following his words to say: Mr. President, please submit to a proper examination. If you do not wish to, you can always resign,” Lee wrote.

The president's mental fitness came under scrutiny after the release of Michael Wolff's "Fire and Fury: Inside the Trump White House."

The White House doctor administered a cognitive test to Trump at the president's request during his physical exam earlier this year, and said that Trump had passed the exam.